Underlying Dimensions of DSM-5 Posttraumatic Stress Disorder and Major Depressive Disorder Symptoms

Tracey L. Biehn; Jon D. Elhai; Laura D. Seligman; Marijo Tamburrino; Chérie Armour; David Forbes

doi:10.1007/s12207-013-9177-4

November 12, 2013Psychological Injury and LawOpen Access

Underlying Dimensions of DSM-5 Posttraumatic Stress Disorder and Major Depressive Disorder Symptoms

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Key Points

To evaluate the latent factor structure and dimensional overlap between DSM-5 posttraumatic stress disorder and major depressive disorder symptoms.
Assessed DSM-5 diagnostic criteria for posttraumatic stress disorder and major depressive disorder across clinical and trauma-exposed cohorts.
Applied confirmatory factor analysis and structural equation modeling to compare competing unidimensional, multidimensional, and transdiagnostic symptom models.
Identified distinct trauma-specific symptom dimensions alongside prominent shared distress and negative affectivity clusters bridging both disorders.
Demonstrated that dysphoria and anhedonia constitute common core latent traits driving the high diagnostic comorbidity between traumatic stress and depression.

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Implication

Factor analytic study reveals shared and distinct latent symptom dimensions in trauma-exposed cohorts, indicating transdiagnostic distress mechanisms underlying PTSD and depression.

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Cite This Study

Biehn et al. (2013) studied this question.

synapsesocial.com/papers/6a898a5fde8e7079c6f7d637 https://doi.org/10.1007/s12207-013-9177-4

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Underlying Dimensions of DSM-5 Posttraumatic Stress Disorder and Major Depressive Disorder Symptoms

Key Points

No abstract yet

Implication

Discussion

Cite This Study

Underlying Dimensions of DSM-5 Posttraumatic Stress Disorder and Major Depressive Disorder Symptoms

Key Points

No abstract yet

Implication

Discussion

Cite This Study

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